ComponentNameMatchers.java
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.test.espresso.intent.matcher;
import static androidx.test.espresso.intent.Checks.checkNotNull;
import static org.hamcrest.Matchers.any;
import static org.hamcrest.Matchers.is;
import android.content.ComponentName;
import androidx.test.InstrumentationRegistry;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;
/** A collection of hamcrest matchers to match {@link ComponentName} objects. */
public final class ComponentNameMatchers {
private ComponentNameMatchers() {}
private static class ComponentMatcher extends TypeSafeMatcher<ComponentName> {
private Matcher<String> classNameMatcher;
private Matcher<String> packageNameMatcher;
private Matcher<String> shortClassNameMatcher;
private ComponentMatcher(
Matcher<String> classNameMatcher,
Matcher<String> packageNameMatcher,
Matcher<String> shortClassNameMatcher) {
super(ComponentName.class);
this.classNameMatcher = checkNotNull(classNameMatcher);
this.packageNameMatcher = checkNotNull(packageNameMatcher);
this.shortClassNameMatcher = checkNotNull(shortClassNameMatcher);
}
@Override
public boolean matchesSafely(ComponentName componentName) {
return classNameMatcher.matches(componentName.getClassName())
&& packageNameMatcher.matches(componentName.getPackageName())
&& shortClassNameMatcher.matches(componentName.getShortClassName());
}
@Override
public void describeTo(Description description) {
description.appendText("has component with: class name: ");
description.appendDescriptionOf(classNameMatcher);
description.appendText(" package name: ");
description.appendDescriptionOf(packageNameMatcher);
description.appendText(" short class name: ");
description.appendDescriptionOf(shortClassNameMatcher);
}
}
public static Matcher<ComponentName> hasClassName(String className) {
return hasClassName(is(className));
}
public static Matcher<ComponentName> hasClassName(Matcher<String> classNameMatcher) {
return new ComponentMatcher(classNameMatcher, any(String.class), any(String.class));
}
public static Matcher<ComponentName> hasPackageName(String packageName) {
return hasPackageName(is(packageName));
}
public static Matcher<ComponentName> hasPackageName(Matcher<String> packageNameMatcher) {
return new ComponentMatcher(any(String.class), packageNameMatcher, any(String.class));
}
public static Matcher<ComponentName> hasShortClassName(String shortClassName) {
return hasShortClassName(is(shortClassName));
}
public static Matcher<ComponentName> hasShortClassName(Matcher<String> shortClassNameMatcher) {
return new ComponentMatcher(any(String.class), any(String.class), shortClassNameMatcher);
}
/**
* Matches a component based on the target package name found through the Instrumentation Registry
* for the test.
*/
public static Matcher<ComponentName> hasMyPackageName() {
return hasPackageName(is(InstrumentationRegistry.getTargetContext().getPackageName()));
}
}